How long will the smell last, it depends on how many essential oil drops you put on the felt pad and what type of oils you use.

The felt pad is washable. Rinse with ordinary detergent and dry naturally.We recommend that each pad uses the same kind of essential oil. You can replace a new pad when you don't want to use a used one.

Please make sure you choose 22MM felt pads for this car diffuser when you need replacements.

Please feel free to contact us if you meet any problem about our diffuser products. We will try our best to solve your issue as soon as possible.

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* The prices and shipping costs may have changed since the last update. It is technically not possible to update the prices in real time. The time of purchase on the Website of the seller is used as the reference.